1984-12-17 11:03:13 +00:00
|
|
|
.define Rmu4
|
1987-01-30 18:41:42 +00:00
|
|
|
.sect .text
|
|
|
|
|
.sect .rom
|
|
|
|
|
.sect .data
|
|
|
|
|
.sect .bss
|
|
|
|
|
.sect .text
|
1984-12-17 11:03:13 +00:00
|
|
|
|
|
|
|
|
! This subroutine returns the remainder of a fourbyte unsigned
|
|
|
|
|
! division.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rmu4:
|
|
|
|
|
ldy #1
|
|
|
|
|
sty UNSIGN ! its unsigned
|
|
|
|
|
jsr Pop
|
|
|
|
|
stx ARTH
|
|
|
|
|
sta ARTH+1
|
|
|
|
|
jsr Pop
|
|
|
|
|
stx ARTH+2
|
|
|
|
|
sta ARTH+3 ! second operand
|
|
|
|
|
jsr Pop
|
|
|
|
|
stx ARTH+4
|
|
|
|
|
sta ARTH+5
|
|
|
|
|
jsr Pop
|
|
|
|
|
stx ARTH+6
|
|
|
|
|
sta ARTH+7 ! first operand
|
|
|
|
|
jsr Duv4
|
|
|
|
|
lsr ARTH+11
|
|
|
|
|
ror ARTH+10
|
|
|
|
|
ror ARTH+9
|
|
|
|
|
ror ARTH+8 ! shift result one time
|
|
|
|
|
lda ARTH+11
|
|
|
|
|
ldx ARTH+10
|
|
|
|
|
jsr Push
|
|
|
|
|
lda ARTH+9
|
|
|
|
|
ldx ARTH+8
|
|
|
|
|
jmp Push
|
|
|
|
|
|
|
|
|
|
|
